Dominic Rath wrote:
> Hello Ake,
>
> On Wednesday 21 December 2005 10:51, Ake Hedman, eurosource wrote:
> > Hi Dominic,
> >
> > Sounds very interesting! How far have you come in this development?
> > What remains to do? Maybe I could help on some development...
> Currently, it's mostly testing and debugging - differents hosts,
> targets, jtag
> interfaces. Stability and correctness are most important for a
> debugger, so
> currently I'm writing small test cases, run them in target RAM, and
> see if
> the state captured by the debugger is correct. What I'm interested in is
> people trying the software, and reporting problems they've experienced -
> development contributions are of course welcome, too.
> What's currently missing is flash write support, but that's easy to
> add (for
> the LPCs), and MMU/Cache support, which isn't necessary for LPCs.
>
> >
> > So any FT232x based ARM board would do for this? Is the board
> > requirements documented somewhere.
> No, FT2232C, not FT232. The FT2232C comes with a multi-protocol
> synchronous
> serial engine that can be configured as a JTAG TAP master. The
> DLP2232M is an
> evaluation module available from FTDI (www.ftdichip.com), it comes
> with the
> chip, a USB connector, eeprom, crystal, i.e. all the supporting
> circuitry.
> The FT2232C has two I/O channels which accept either 3.3V or 5V logic
> - USB
> runs at 5V, so if you want to debug 3.3V targets you simply supply the
> chip
> with 3.3V from a voltage regulator powered by the USB. My diploma thesis
> (available at the project site openocd.berlios.de) contains schematics
> for a
> very simple interface. I'll upload schematics for a more advanced design
> within the next days.
>
> >
> > /Ake
>
> Kind regards,
>
> Dominic
Hi Dominic,
OK now I see. I will try this out also found your diploma thesis which
will be good reading for Christmas.
Cheers
/Ake
--
---
Ake Hedman (YAP - Yet Another Programmer)
eurosource, Brattbergavagen 17, 820 50 LOS, Sweden
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Company home: http://www.eurosource.se
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